import cv2

import numpy as np

img = cv2.imread("Resources/cards.jpg")

width, height = 250, 350
# 矩阵

pts1 = np.float32([[111,219],[287, 188],[154, 482],[352, 440]]) # 原图扑克的四点
pts2 = np.float32([[0,0],[width, 0],[0, height],[width, height]])
matrix = cv2.getPerspectiveTransform(pts1, pts2)
imgOutput = cv2.warpPerspective(img, matrix, (width, height))

cv2.imshow("Image", img)
cv2.imshow("Output", imgOutput)


cv2.imshow("Image", img)
cv2.waitKey(0)
